November 2000 - Zope

GNOME Web Team - Call for Volunteers
by rainlood 17 Nov '00

17 Nov '00

Hello. http://news.gnome.org/gnome-news/974368712/ GNOME Web Team - Call for Volunteers Posted by Christian Schaller on Thursday November 16, @04:58AM from the spiderman-wanted dept. Joakim Ziegler has posted a statement to the GNOME announce list calling for volunteers to help out with the GNOME website. Click on the Read More link to see the full statement. GNOME Web Team - Call for Volunteers. Background: The current GNOME project web offering, while having a lot of good content, is highly disorganized, with unclear maintainerships and diverging design, navigation, content generation, and so on. I did a redesign of www.gnome.org this spring, which was fairly successful, but due to time constraints and other factors, there is still a lot of old cruft in the site hierarchy, and some parts of the site are sadly underdeveloped. A recent discussion on gnome-hackers concluded that there should be an organized effort to bring the total GNOME web offering together, and rework it from the bottom up, so we can present a polished, functional and coherent image to the world. Additionally, Shawn Amundson indicated that he wanted to pass responsibility for www.gtk.org to the GNOME web team, as a part of an effort to reduce duplication of content between developer.gnome.org and www.gtk.org, and to further integration between the sites. What's happening now: I offered to volunteer as the organizer of the new web team, since I have quite a lot of experience both with GNOME sites and with web site building in general. We want to gather a team of dedicated people to work on the GNOME web sites. There are a number of issues to be worked out before actual site building/rework starts, including such diverse topics as: What site building technologies to use (WML, PHP, Zope, Perl, Python...) Design goals for the website. Site structure and content. In other words, most topics are open for discussion. We're aiming to resolve most of the high-level issues rather quickly, to be able to move on to actually reworking the sites. Who should join: There are two groups of people that should join. One is the interested web designers/scripters/etc., who want to take an active part in planning, designing and building one of the most important sets of web sites in the free software community. The other group is the people who take an interest in the more high-level issues of presenting GNOME to the world. Where to go: There's a wonderful mailing list just for the purpose of the new web team. http://lists.gnome.org/mailman/listinfo/gnome-web-list/ If you're at all interested in working on this project, please join.

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Re: Zope digest, Vol 1 #1059 - 51 msgs
by Tres Seaver 17 Nov '00

17 Nov '00

James Sintz <jsintz(a)ohiohistory.org> wrote: > To: "'Andy McKay'" <andym(a)ActiveState.com>, zope(a)zope.org > Subject: RE: [Zope] dtml-if and dtml-with problems > Date: Thu, 16 Nov 2000 12:54:21 -0500 > > Thanks!!!! > > that did the trick... > > <dtml-if "_.str(nl_goLiveDate) == ZopeTime().strftime('%Y/%m/%d')"> > > also found out that > > <dtml-if "nl_goLiveDate.strftime('%Y/%m/%d') == > ZopeTime().strftime('%Y/%m/%d')"> > > works as well. This would do a match on the dates themselves: <dtml-if expr="nl_goLiveDate.earliestTime() == ZopeTime().earliestTime()"> See $SOFTWARE_HOME/lib/python/DateTime/DateTime.py for more fun with dates. Tres. -- =============================================================== Tres Seaver tseaver(a)digicool.com Digital Creations "Zope Dealers" http://www.zope.org

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Re: [Zope] Catalog sort-on parameter
by Tres Seaver 17 Nov '00

17 Nov '00

Menard.Jean-Francois(a)hydro.qc.ca wrote: > > I'm trying to use the 'sort-on' parameter in a Catalog search, and it > doesn't work. I use Zope 2.2.2. > > I read in pasts messages that the 'sort-on' feature was broken, is it still? The parameter to the Catalog's 'searchResults' method is spelled 'sort_on' (it must be a legal Python identifier, because it is passed only as a keyword parameter). 'sort_on' is an attribute of the 'dtml-in' tag; if you let the catalog sort for you, you will be *much* better off (assuming it has a reasonable index to use, that is). Sorting won't work as expected with TextIndexes (but then, what is "expected" in that case?) > I'm not sure if I use the right syntax so could someone post an sample code > here please ? Here is a working snippet from the PTK:: <dtml-let newsitems="portal_catalog.searchResults( meta_type='News Item' , sort_on='Date' , sort_order='reverse' , review_state='published' )"> <dtml-in newsitems> ... </dtml-in> Tres -- =============================================================== Tres Seaver tseaver(a)digicool.com Digital Creations "Zope Dealers" http://www.zope.org

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Junior Developer Wanted......
by alesniak＠uswest.net 17 Nov '00

17 Nov '00

Service Magic, Golden, CO We are searching for an open-minded, Junior Developer to join the Service Magic development team. Qualifications: 1 to 2 years of programming experience required in one or more of the following: Zope, Python, C/C++, OO programming. Web application experience and proven proficiency in UNIX. Salary: Commensurate on experience. Benefits: Full Medical, Dental, Vision, 401K, Options. Service Magic revolutionizes the way people buy and sell local services. Using the technology of the Internet, Service Magic focuses on the need to create a better connection between homeowners and local service professionals. Our service is a quick, cost-competitive environment with a service guarantee. Currently, Service Magic has Home Service Providers in 35 major markets, 485 categories of services. Send Resume to alesniak(a)servicemagic.com!

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Data.fs - can't pack: Oversized int - HELP!!!
by sbabu＠tnc.org 16 Nov '00

16 Nov '00

Hello, We've a production environment running Zope 2.1.6 on WinNT4 sp5 (not front ended with IIS). Data.fs is 60MB and growing at the rate of 10MB per day - we are building a site and quite a lot of people are adding content simultaneously. We pack the database daily. Yestderday afternoon packing failed saying "Transaction #xxxx has invalid headers". Then when I went through UNDO tab list, from a particular earlier transaction onwards, I couldn't see the UNDO list also - says "Oversized int". Well, since I was not sure of how well ZODB will hold up I had programmed it in such a way that we keep a copy of most important textual content in an Oracle database as well. So, I used the Data.fs.old, recreated all the DTML documents and folders using a DTML script after reading data from Oracle. However, images and other binary files are stored only in ZODB, so I had to upload these again. Again today afternoon the same problem appeared. I've nailed it down to one particular folder which zope interface shows, but can't access. I can repeat my whole excercise tomorrow morning too, but I really would like a better solution because it becomes kind of unstable. Q: I saw Jim's mail on fsrecover.py. Does this work on Zope 2.1.6 databases too? I'll try tomorrow, with a backup copy. But personal experience would be nice :-) Q: The number of transactions (write/update) are quite high on my site - atleast now, during the building phase. What would be a recommended pack frequency? Note: 95% of our updates are through anonymous user. This is because I'm (need to, asked to) using zope as purely an app server, not as a web platform. So, all my data goes into an Oracle database, then gets created on ZODB as a DTML document etc. It is really a round about way of doing things - like trying to write some ASP/PHP code to make things look 10% like Zope's content management abilities. Q: Is there any particular reason why I really should upgrade to Zope 2.2? If someone in DC needs to take a look at the Data.fs file for research, I can arrange that. Many thanks in advance V.Satheesh Babu Web Technologies Group, (703)-841-5348 sbabu(a)tnc.org The Nature Conservancy http://www.tnc.org http://vsbabu.csoft.net "The man who smiles when things go wrong has thought of someone to blame it on." --- Jone's Law

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How to get around non-propogating proxy roles, also security problem with zsql traversal?
by Brad Clements 16 Nov '00

16 Nov '00

Zope 2.2.2 on linux I have a web site where almost every page can only be viewed by authenticated (non anymous) users. I want to create one page that anonymous viewers can see. But to create this page I want to reuse (not duplicate) existing dtml, so I gave this page a proxy role "PUBLIC" and gave that role view and access contents rights. Unfortunately dtml methods called by this dtml document lose their proxy rights and revert back to anonymous, hence I get NameError and so forth from the called dtml methods. 1. Why is it that proxy roles don't propogate and accumulate when methods are called? 2. I'm actually using simple ZSQL traversal, like this: mysite.com/MyFolder/MyZSQL/138348343/PublicInfo PublicInfo is the DTML Doc with proxy role = PUBLIC. MyZSQL is an SQL Method that doesn't appear to be viewable by anonymous. However when called using simple traversal shown above, the SQL method IS executed. Is this a security bug? It seems that anonyous users can "call" an sql method using traversal even if security disallows anonymous View. Brad Clements, bkc(a)murkworks.com (315)268-1000 http://www.murkworks.com (315)268-9812 Fax netmeeting: ils://ils.murkworks.com AOL-IM: BKClements

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SiteAcess
by konteXXt＠t-online.de 16 Nov '00

16 Nov '00

Hallo, We tried to install SiteAccess. But when we try to connect with a SiteRoot Objekt, we get error: Error Type: TypeError Error Value: unexpected keyword argument: validated_hook [...] Traceback (innermost last): File /var/zope/lib/python/ZPublisher/Publish.py, line 222, in publish_module File /var/zope/lib/python/ZPublisher/Publish.py, line 187, in publish File /var/zope/lib/python/Zope/__init__.py, line 221, in zpublisher_exception_hook (Object: ApplicationDefaultPermissions) File /var/zope/lib/python/ZPublisher/Publish.py, line 162, in publish TypeError: (see above) When I remove the directory /var/zope/lib/python/Products/SiteAccess and restart the server again, everything works as before - except the siteroot functionality of course :-( Does someone have info how I can get SiteAccess to run correctly on my machine (Linux, newest Zope source distribution)? Any help would be appreciated! Doch wenn mittels apache zugegriffen wird, bringt der Zope-Server (2.2.2) eine Fehlermeldung. Traceback (innermost last): File /opt/igat/Zope/lib/python/ZPublisher/Publish.py, line 222, in publish_module File /opt/igat/Zope/lib/python/ZPublisher/Publish.py, line 187, in publish File /opt/igat/Zope/lib/python/Zope/__init__.py, line 221, in zpublisher_exception_hook (Object: ApplicationDefaultPermissions) File /opt/igat/Zope/lib/python/ZPublisher/Publish.py, line 162, in publish File /opt/igat/Zope/lib/python/ZPublisher/BaseRequest.py, line 338, in traverse File /opt/igat/Zope/lib/python/OFS/Application.py, line 251, in __bobo_traverse__ (Object: ApplicationDefaultPermissions) File /opt/igat/Zope/lib/python/ZPublisher/HTTPResponse.py, line 529, in notFoundError NotFound: (see above) What can we do ? We use Zope 2.2.2. and Linux. Thank you for help Mechtild -- in der Heimat tut sich was: http://www.wolterdingen.de konteXXt - Web-Konzept-Text-Design 07705 / 919391

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Re: [Zope] DTML and SQL question...
by Dieter Maurer 16 Nov '00

16 Nov '00

zope writes: > I want to test if there is some data in a table. In Zope, ZSQL methods return objects that behave like a sequence (of hit rows). In Python, an empty sequence is false while a non-empty sequence is true. Thus, you can use: <dtml-if "ZSQLmethod(....)"> .... to test any SQL query for a non-empty result set. The "_.len(...)" function returns the length of a sequence, in case you are interested in the number of hits. Dieter

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Re: [Zope] ZCallable
by Dieter Maurer 16 Nov '00

16 Nov '00

Stefan H. Holek writes: > I have this ZCallable product (from the PTK, I think). I do however not > manage to derive a ZClass from ZCallable. The error is something like "Too > many datafull base classes". > > Is ZCallable not intended to work like that (the source hints to > some ExtensionClass business) or am I missing something? The ExtensionClass docu tells that among all classes involved in a class, at most one extension class may define data extensions. Apparently, ZCallable is such an extension class that defines a data extension (or inherits from a class that does). And obviously, your class derives from another such class. If you are lucky, ZCallable is a superset of the other class and you can drop the other. Unfortunately, I do not know with ExtensionClass'es define extensions. Dieter

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Re: [Zope] Avoiding acquisition aka testing for contained objects
by Dieter Maurer 16 Nov '00

16 Nov '00

Stefan H. Holek writes: > If I want to know whether a certain object is contained in > the current folder I do this: > > <dtml-if "'index_html' in this().objectIds()"> > yes it's here > <dtml-else> > not here > </dtml-if> > > Id like to know whether this is the best/most efficient way to do it. > Things like hasattr() are subject to aquisition i.e. they would find > an index_html method along the acquisition path... There is a trick: <dtml-if "hasattr(aq_explicit,'index_html')"> avoids (implicit) acquisition. How it works: "aq_explicit" returns the explicit acquisition wrapper for "this". This wrapper does not acquire automatically but must be told explicitly. As "hasattr" does not to that, it tests for an attribute of "this()" and not an acquired attribute. Dieter

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